seminar: Topological characterization of integrable singularities of holomorphic foliations in dimension 2

speaker: Frank Loray (CNRS, Universite de Rennes 1)

abstract: A singularity of foliation in dimension 2 is said integrable when its Galois groupoid (in the sense of Malgrange) is not maximal, or equivalently when it is transversely projective in the sense of Scardua. We give sufficient conditions on such singularities in order to insure that integrability (resp. non integrability) is preserved by homeomorphisms. We discuss the sharpness of those conditions.

timetable:
Tue 23 Jan, 12:20 - 13:20, Aula Dini
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